Mr. murphy has an old coin that has ten sides . if its shape is a polygon , how many angles does the old coin have.

Twelve friends shared 8 small pizza equally.how many pizzas did each person get?

Which is the most efficient first step to solve x in the equation 3.7x - 18 = -4.3x -34 a. add 3.7x to both sides of the equation. b. add 4.3x to both sides of the equation. c. subtract 18 from both sides of the equation. d. subtract 34 from both sides of the equation.

*segment an is an altitude of right ? abc with a right angle at a. if ab = 2root 5 in and nc = 1 in, find bn, an, ac.